Definition of guayule in English:

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Pronunciation: /ɡwäˈyo͞olē/


1A silver-leaved Mexican shrub of the daisy family that yields large amounts of latex.
  • Parthenium argentatum, family Compositae
Example sentences
  • Preliminary tests show that surgical gloves, condoms, or other products made from the natural rubber latex of a southwestern desert shrub called guayule are an effective barrier against disease-causing bacteria and viruses.
  • As early as 1907, experiments by the Intercontinental Rubber Company were conducted on guayule, a Mexican desert shrub that contained 20 percent pure rubber that lent itself to harvesting.
  • We'll be able to conduct onsite tests to explore new uses of crops like guayule - a desert shrub that our patented research has shown is a promising new domestic source of hypoallergenic natural latex.
1.1A rubber substitute made from latex produced by the guayule shrub.
Example sentences
  • In spite of some limitation as an alternative rubber crop due to its slow volume growth and low abundance of rubber particles, guayule has been proposed as a viable commercial alternative for hypoallergenic latex.
  • Similar transit peptides could not be found, however, in the AOS from rubber particles of guayule and in the two isoforms of the barley AOS.
  • In guayule, the most abundant rubber particle protein of 52 kDa was sequenced to be a P450 allen oxide synthase.


Early 20th century: via Latin American Spanish from Nahuatl cuauhuli.

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